CN2884196Y - High-temp. and high-pressure drilling fluid density testing device - Google Patents
High-temp. and high-pressure drilling fluid density testing device Download PDFInfo
- Publication number
- CN2884196Y CN2884196Y CN 200520036228 CN200520036228U CN2884196Y CN 2884196 Y CN2884196 Y CN 2884196Y CN 200520036228 CN200520036228 CN 200520036228 CN 200520036228 U CN200520036228 U CN 200520036228U CN 2884196 Y CN2884196 Y CN 2884196Y
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- autoclave body
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Abstract
The utility model relates to a high-temperature high-pressure well-drilling fluid density measuring device in oil-gas well-drilling operation, which can evaluate the impact of different temperature and liquid-column pressure on the well-drilling fluid density so as to provide the basis for well-drilling design and construction. The utility model is characterized in that: a plurality of piston assembly are arranged into an autoclave body; the top cover of the autoclave body is provided with a spillover pressure regulating valve and an entrance pressure valve; the middle of the central ring hole of the autoclave body top cover is provided with two O-shaped sealing rings; the O-shaped sealing rings are embedded on the surface of a piston ring; a piston top cap, a position limit device and a micrometer are arranged at the top of the piston rod; the autoclave body bottom cover is provided with a fluid discharge valve and is connected with the bottom end of the autoclave body by bolts; the autoclave body is arranged into an oil bath temperature box, which is provided with a heating sleeve, a heating oil cavity and a heat insulation layer. The upper cover of the temperature box is provided with an electric heater, a temperature sensor and a temperature controller. The device can measure the density and performance of the various well-drilling fluids under the different temperature and pressure by simulating well underground high-temperature high-pressure condition.
Description
Technical field
The utility model relates to a kind of oilfield drilling operation that is used for, and under the simulated formation high-temperature high-pressure state, measures the device of drilling fluid density, belongs to the property of drilling fluid surveying instrument.
Background technology
At present, the domestic drilling fluid density that adopts ground survey in the oilfield drilling process calculates as the density of down-hole drilling fluids.It has ignored shaft bottom high temperature, high pressure to drilling fluid density, Effect on Performance; Thereby cause that safety density window is broken when narrow safe density window well section drilling well.Cause the generation of down hole problem, cause major accidents such as blowout, leakage, well slough, even cause great life casualty accident, bring enormous economic loss to enterprise.Owing to the fluid column pressure of drilling fluid all is that the degree of depth along with the oil gas well increases, pressure, the temperature brought according to different depth seem particularly important to the influence of drilling fluid density.Be based upon the influence of measurement mechanism, evaluation temperature gradient and the pressure of drilling fluid density under the high-temperature and high-pressure conditions to drilling fluid density, and the High Temperature High Pressure performance of different drilling fluid systems is to the influence of drilling fluid density, and making quantitative measurement is a gordian technique difficult problem anxious to be solved in the operation of present oil gas field deep drilling.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of high-temperature high-pressure drilling fluid density measuring equipment, it can be that normal temperature to 300 ℃, pressure are zero in the scope of 50MPa in different temperatures, and the High Temperature High Pressure performance of the drilling fluid density of Different Strata and different drilling fluid systems is made quantitative measurement to the influence of drilling fluid density under the simulation well; But the influence that different temperatures gradient environment produces drilling fluid density drilling fluid density and fluid column pressure under the appraisal well simultaneously, thereby provide reliable scientific basis for drilling engineering design and construction.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of high-temperature high-pressure drilling fluid density measuring equipment, mainly form by autoclave body, piston and piston component, kettle upper and lower cover, oil bath incubator, its technical characterictic is: piston and piston component 5 are inserted in the autoclave body 1, load onto autoclave body loam cake 2, pressure regulating overflow valve 3 and entrance pressure valve 4 are installed in autoclave body loam cake 2, and autoclave body loam cake 2 adopts fastening bolt 16 to connect with autoclave body 1; The centre of garden, the center annular distance of kettle loam cake 2 has two road O-ring ring grooves and embeds the O-ring seals 8 that O type silicon rubber is made, and has groove and embed the O RunddichtringO made from silicon rubber 12 on piston 5 garden ring surfaces; At piston rod 5 tops piston crown cap 7 is installed, in the piston crown cap 7 and the upper surface of autoclave body loam cake 2 stop means 6 is housed, in the upper surface of piston crown cap 7 clock gauge 9 is housed, piston component 5 can be migrated in autoclave body 1 vertically; Autoclave body lower cover 10 usefulness fastening bolts 16 connect with the lower end of autoclave body 1, and tapping valve 11 is housed on autoclave body lower cover 10; Around kettle 1,, heating jacket 13 is housed in the incubator for the oil bath incubator, heating oil pocket 14, insulating 20 is equipped with electric heater 17, temperature-control senser 18 and temperature controller 19 on heating box cover 15.In the heating oil pocket 14 the HG-72H synthetic steam cylinder oil being housed is heating medium, adds asbestos material in the thermofin.At kettle loam cake 2 an entrance pressure valve 4 is housed, adopt forcing pump hydraulic oil to be pumped in the oil pocket on high temperature and high pressure kettle body 1 top by entrance pressure valve 4, piston in the kettle is exerted pressure, the fluid pressure table 9 of 0～50MPa is housed at kettle loam cake 2 tops simultaneously, measures the pressure in kettle 1 upper oil chamber; Simultaneously at kettle loam cake 2 pressure regulating overflow valve 3 is installed, is controlled the pressure of oil pocket in the kettle by the pressure that sets, the stop means of installing on kettle loam cake 26 is to be used for controlling tested drilling fluid volume in the kettle.
The beneficial effects of the utility model are: this device can be simulated under the high-temperature high-pressure state of down-hole, measure various dissimilar drilling fluids in different temperatures, density under the different pressures state and performance are for preventing that in the down-hole complex situations such as blowout, leakage, well slough taking place provides a quantitative evaluation means.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is the structural representation of the utility model high-temperature high-pressure drilling fluid density measuring equipment.Among the figure: 1, autoclave body, 2, the autoclave body loam cake, 3, pressure regulating overflow valve, 4, entrance pressure valve, 5, piston component, 6, stop means, 7, the piston pole cap, 8, kettle loam cake sealing ring, 9, clock gauge, be the fluid pressure table, 10, the autoclave body lower cover, 11, tapping valve, 12, piston packing ring, 13, heating jacket, 14, the heating oil pocket, 15, heating box cover, 16, fastening bolt, 17, electric heater, 18, temperature-control senser, 19, temperature controller, 20, insulating.
Embodiment
After installing shown in the accompanying drawing, earlier autoclave body lower cover 10 is opened, measured drilling fluid is put into the bottom of autoclave body 1, again autoclave body lower cover 10 is connected with autoclave body 1 usefulness fastening bolt 16.Tapping valve on the autoclave body lower cover 10 11 is outwarded winding, and the piston pole cap 7 of outwarding winding is again loaded onto stop means 6, then piston pole cap 7 is screwed.Entrance pressure valve 4 opened apply certain precompression; Will pump into hydraulic oil inject the top shoe cream room of autoclave body 1, driven plunger assembly 5 is migrated downwards under the certain pressure condition, can stop to pump into when migrating to when contacting with stop means 6; Screw the tapping valve 11 on the autoclave body lower cover 10 then, this moment tested drilling fluid capacity and normal temperature and pressure densimeter measurement the time the capacity maintenance in full accord, the density of drilling fluid when reading normal temperature and pressure is the density of this device.Subsequently piston crown cap 7 is outwarded winding, screwed piston crown cap 7 again behind the taking-up stop means 6.Autoclave body 1 is put into the heating jacket 13 that heats casing, in the heating oil pocket 14 of heating jacket outer wall, add an amount of synthetic steam cylinder oil (HG-72H) again; Insulating 20 between the shell of heating oil pocket 14 outer walls and heating casing, filled stone cotton material heat-insulation and heat-preservation.Energized by measuring temperature required adjustment temperature controller 19, begins heating this moment, automatic constant-temperature when temperature reaches set temperature.With the last plane contact of the contact and the piston pole cap 7 of clock gauge 9, and to adjust to the centre position be zero point.Pressure regulating overflow valve 3 is adjusted to the required pressure of measurement; Open entrance pressure valve 4, pump into the top of hydraulic oil, piston is exerted pressure to high pressure kettle 1; The pressure size is stopped when reaching required pressure by the hydralic pressure gauge monitoring that is contained on the hydraulic pump.Measured like this drilling fluid reads by clock gauge 9 in the migration quantity of the piston of the certain temperature of simulation, volumetric expansion under the pressure state or compression.Quality according to the unit volume material is a principle of density, by just can know the density under the high-temperature high-pressure state that this drilling fluid setting in the volume change computing under uniform temperature and the pressure change condition.
Claims (3)
1, a kind of high-temperature high-pressure drilling fluid density measuring equipment, mainly be by autoclave body, piston and piston component, kettle upper and lower cover, oil bath incubator are formed, it is characterized in that: piston and piston component (5) are inserted in the autoclave body (1), the autoclave body loam cake (2) of packing into, pressure regulating overflow valve (3) and entrance pressure valve (4) are installed on autoclave body loam cake (2), and autoclave body loam cake (2) adopts fastening bolt (16) to connect with autoclave body (1); The centre of garden, the center annular distance of kettle loam cake (2) has two road O-ring ring grooves and embeds the O type sealing ring (8) that O type silicon rubber is made, and has groove and embed the O type sealing ring made from silicon rubber (12) on the piston garden ring surface that piston rod (5) connects; At piston rod (5) top piston crown cap (7) is installed, in the piston crown cap (7) and the upper surface of autoclave body loam cake (2) stop means (6) is housed, in the upper surface of piston crown cap (7) clock gauge (9) is housed, piston component (5) can be migrated in autoclave body (1) vertically; Autoclave body lower cover (10) connects with the lower end of autoclave body (1) with fastening bolt (16), and tapping valve (11) is housed on autoclave body lower cover (10); Around kettle (1), be the oil bath incubator, heating jacket (13), heating oil pocket (14), insulating (20) are housed in the incubator, on heating box cover (15), electric heater (17), temperature-control senser (18) and temperature controller (19) are housed.
2, high-temperature high-pressure drilling fluid density measuring equipment according to claim 1 is characterized in that: in the heating oil pocket HG-72H synthetic steam cylinder oil being housed is heating medium, adds asbestos material in the insulating.
3, high-temperature high-pressure drilling fluid density measuring equipment according to claim 1 is characterized in that: adopt forcing pump hydraulic oil to be pumped in the oil pocket on autoclave body top by the entrance pressure valve, the piston in the kettle is exerted pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036228 CN2884196Y (en) | 2005-11-21 | 2005-11-21 | High-temp. and high-pressure drilling fluid density testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520036228 CN2884196Y (en) | 2005-11-21 | 2005-11-21 | High-temp. and high-pressure drilling fluid density testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884196Y true CN2884196Y (en) | 2007-03-28 |
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ID=37957256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520036228 Expired - Fee Related CN2884196Y (en) | 2005-11-21 | 2005-11-21 | High-temp. and high-pressure drilling fluid density testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884196Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906957A (en) * | 2009-06-06 | 2010-12-08 | 张鹏 | Temperature control method and device for subsurface measuring device |
| CN102384957A (en) * | 2011-08-22 | 2012-03-21 | 中国石油天然气股份有限公司 | Petroleum underground environment simulation experiment device |
| CN102507629A (en) * | 2011-10-26 | 2012-06-20 | 西南石油大学 | Device for dynamically simulating ageing of drilling fluid at well bottom |
| CN102640155A (en) * | 2009-05-07 | 2012-08-15 | 沙特阿拉伯石油公司 | Systems, computer implemented methods, and computer readable program products to compute approximate well drainage pressure for a reservoir simulator |
| CN101576551B (en) * | 2009-06-04 | 2012-10-31 | 山东电力研究院 | Target plate device used for steam blowing pipe |
| CN101144805B (en) * | 2007-09-28 | 2013-04-17 | 山东陆海钻采科技有限公司 | Drilling fluid high-temperature high pressure multifunctional dynamic evaluation tester |
| CN103196792A (en) * | 2013-04-15 | 2013-07-10 | 西北工业大学 | Device and method for measuring density of supercritical aviation kerosene |
| CN104515717A (en) * | 2013-09-27 | 2015-04-15 | 中国石油化工集团公司 | Drilling fluid settleability testing device |
| CN105571984A (en) * | 2016-01-14 | 2016-05-11 | 郑州轻工业学院 | High-temperature and high-pressure liquid density measuring device and method |
| CN106770639A (en) * | 2017-01-18 | 2017-05-31 | 长江大学 | Oil base drilling fluid emulsion stability tester and method of testing |
| CN112986074A (en) * | 2019-12-16 | 2021-06-18 | 中国石油天然气股份有限公司 | Drilling fluid sedimentation stability test system |
| CN114183123A (en) * | 2021-12-16 | 2022-03-15 | 中国石油大学(北京) | Drilling simulation experiment device and experiment method |
-
2005
- 2005-11-21 CN CN 200520036228 patent/CN2884196Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144805B (en) * | 2007-09-28 | 2013-04-17 | 山东陆海钻采科技有限公司 | Drilling fluid high-temperature high pressure multifunctional dynamic evaluation tester |
| CN102640155A (en) * | 2009-05-07 | 2012-08-15 | 沙特阿拉伯石油公司 | Systems, computer implemented methods, and computer readable program products to compute approximate well drainage pressure for a reservoir simulator |
| CN102640155B (en) * | 2009-05-07 | 2015-01-28 | 沙特阿拉伯石油公司 | Systems, computer implemented methods, and computer readable program products to compute approximate well drainage pressure for a reservoir simulator |
| CN101576551B (en) * | 2009-06-04 | 2012-10-31 | 山东电力研究院 | Target plate device used for steam blowing pipe |
| CN101906957A (en) * | 2009-06-06 | 2010-12-08 | 张鹏 | Temperature control method and device for subsurface measuring device |
| CN102384957B (en) * | 2011-08-22 | 2014-11-26 | 中国石油天然气股份有限公司 | Petroleum underground environment simulation experiment device |
| CN102384957A (en) * | 2011-08-22 | 2012-03-21 | 中国石油天然气股份有限公司 | Petroleum underground environment simulation experiment device |
| CN102507629A (en) * | 2011-10-26 | 2012-06-20 | 西南石油大学 | Device for dynamically simulating ageing of drilling fluid at well bottom |
| CN103196792A (en) * | 2013-04-15 | 2013-07-10 | 西北工业大学 | Device and method for measuring density of supercritical aviation kerosene |
| CN104515717A (en) * | 2013-09-27 | 2015-04-15 | 中国石油化工集团公司 | Drilling fluid settleability testing device |
| CN105571984A (en) * | 2016-01-14 | 2016-05-11 | 郑州轻工业学院 | High-temperature and high-pressure liquid density measuring device and method |
| CN105571984B (en) * | 2016-01-14 | 2018-02-27 | 郑州轻工业学院 | A kind of high temperature high pressure liquid density measuring equipment and measuring method |
| CN106770639A (en) * | 2017-01-18 | 2017-05-31 | 长江大学 | Oil base drilling fluid emulsion stability tester and method of testing |
| CN112986074A (en) * | 2019-12-16 | 2021-06-18 | 中国石油天然气股份有限公司 | Drilling fluid sedimentation stability test system |
| CN114183123A (en) * | 2021-12-16 | 2022-03-15 | 中国石油大学(北京) | Drilling simulation experiment device and experiment method |
| CN114183123B (en) * | 2021-12-16 | 2024-01-30 | 中国石油大学(北京) | Drilling simulation experiment device and experiment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20111121 |